condition	mean	min	max
4 h after light	2.432075	2.02603	2.83812
8 h after light	4.10546	3.81405	4.39687
12 h after light	3.86142	3.65577	4.06707
4 h after dark	10.212105000000001	8.31291	12.1113
8 h after dark	7.3253900000000005	6.71497	7.93581
12 h after dark	5.5356950000000005	5.03443	6.03696